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Finding the Fourth Proportional to 433,393.80, 598,068.98 and 239,801.88

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Solution

The fourth proportional to 433,393.80, 598,068.98 and 239,801.88 is: 330,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,393.80 : 598,068.98 = 239,801.88 : x
  2. Step 2: Convert to fraction form
    433,393.80/598,068.98 = 239,801.88/x
  3. Step 3: Cross multiply
    433,393.80x = 598,068.98 × 239,801.88
  4. Step 4: Simplify right side
    433,393.80x = 143,418,065,773.68
  5. Step 5: Solve for x
    x = 143,418,065,773.68/433,393.80
  6. Step 6: Final answer
    x = 330,918.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.